Gina, a mechanical engineer, is designing a roller coaster for a theme park. When she
tested her prototype, the roller coaster car came off the track. To continue the
engineering design process, Gina should
A. keep working on this project by herself with the same prototype.
B. make a completely new prototype with several structural changes.
C. work with others to identify why her prototype failed and test new iterations.
D.stop working on the roller coaster project and find a different problem to solve.