Is determining if a project is going to executed in a sequential phase-to-phase manner or as a overlapping phase (fast-tracking) manner done in Project Management plan( and/or one of it's subsidiary plans) or is it determined during one of the processes in the Project Time Management Knowledge area?
List of processes in the Project Time Management Knowledge area
1) Activity Definition process.
2) Activity Sequencing process
3) Activity Resource Estimating process
4) Activity Duration Estimating process
5) Schedule Development process