Theretrospectiveis the agile ceremony designed for teams toinspect and adapttheir process based on actual performance. According to thePMI Agile Practice Guide (Section 5.6: Retrospectives), discussingvelocity issues and delivery concernsduring retrospectives allows the team to collaboratively identify improvement actions. Mike Griffiths in thePMI-ACP Exam Prep Book (Chapter 6: Adaptive Planning)also notes that retrospectives are the best settingto discuss variations in velocity and refine estimation or planning practices based on empirical evidence. * Option Cis correct: the retrospective is where the team adapts based on reality. * Option Amay come later but doesn't address the root issue. * Option Bgoes against agile principles of stable teams and empirical planning. * Option Dis reactive and may mask underlying process issues.