<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Mon Jun 22 10:05:20 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#PvpDisclosure" roleURI="http://xbrl.sec.gov/ecd/role/PvpDisclosure"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ErrCompDisclosure" roleURI="http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#AwardTimingDisclosure" roleURI="http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#InsiderTradingArrangements" roleURI="http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"/>
  <presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/PvpDisclosure" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_AllIndividualsMember"/>
    <loc xlink:type="locator" xlink:label="VivekSankaranMember" xlink:href="aci-20260806.xsd#aci_VivekSankaranMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="VivekSankaranMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <loc xlink:type="locator" xlink:label="SusanMorrisMember" xlink:href="aci-20260806.xsd#aci_SusanMorrisMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="SusanMorrisMember" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </presentationLink>
  <presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_AllIndividualsMember"/>
    <loc xlink:type="locator" xlink:label="VivekSankaranMember" xlink:href="aci-20260806.xsd#aci_VivekSankaranMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="VivekSankaranMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <loc xlink:type="locator" xlink:label="SusanMorrisMember" xlink:href="aci-20260806.xsd#aci_SusanMorrisMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="SusanMorrisMember" order="0.01" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </presentationLink>
  <presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_AllIndividualsMember"/>
    <loc xlink:type="locator" xlink:label="VivekSankaranMember" xlink:href="aci-20260806.xsd#aci_VivekSankaranMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="VivekSankaranMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <loc xlink:type="locator" xlink:label="SusanMorrisMember" xlink:href="aci-20260806.xsd#aci_SusanMorrisMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="SusanMorrisMember" order="0.01" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </presentationLink>
  <presentationLink xlink:role="http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_AllIndividualsMember"/>
    <loc xlink:type="locator" xlink:label="VivekSankaranMember" xlink:href="aci-20260806.xsd#aci_VivekSankaranMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="VivekSankaranMember" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <loc xlink:type="locator" xlink:label="SusanMorrisMember" xlink:href="aci-20260806.xsd#aci_SusanMorrisMember"/>
<!-- [WMV7][ZTWZjGUkhqj/RdwykDQ9ETrP9j40DfD4U4OSC5Vlxyjn2aMPiL8/bpEsPqDUM9cCCQNG//yaqhQiBcMj+O5jYpAoo8QsW51MJXO0NZA6YRU8n31vr9Hfypx/q8cAodrTMlxHylCjG/AOFocl0iCGBfNmjdQIfkL97mJKWrBpUwb041psSEqxZYMyrBF6cC18Faa47QUqMZ48DdOvib8n2FTCZuIOz0qjN2NBaZk6QG9tm+XeccgYvmKTsl5Y6Cq++bqrDlvFyBbEsUUdZVbxVe8lvKsoIqs8S1hTomI221Zrne6hC3D1BxKe09MXmk8mvR+bawlj+JK9RqM8bRLHJ6/P0q5V73usutFfH3JXCnBTVE0sZyEeUV260fs=] CSR-->
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ecd_AllIndividualsMember" xlink:to="SusanMorrisMember" order="0.01" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </presentationLink>
</linkbase>
