Which of the following drivers is the most important factor in determining the order in which stories will be developed?

Team velocity is used to:

Refactoring is a key way of preventing technical debt.

A project team tasked with delivering a solution with extremely aggressive timelines is facing an issue with meeting their sprint velocity targets. To address this issue and bring the project back on track, what action should the team take?

An agile practitioner wants to ensure that stakeholders have current information about a project's progress.
What should the agile practitioner do?