Fast tracking involves:

A.
Developing workarounds for previous problems.

B.
An increase in project risk.

C.
Getting people to work longer with overtime.

D.
Meeting schedule objectives by adding resources.

Explanation:
Fast Tracking: Doing activities in parallel that would normally be done in sequence ( eg . starting to write code on a software project before the design is complete). Fat tracking often results in rework and usually increases risk.