Solve the all parts of given question:
Question: A cameraman on a pickup truck is traveling westward at 16 km/h while he videotapes a cheetah that is moving westward 31 km/h faster than the truck. Suddenly, the cheetah stops, turns, and then run at 50 km/h eastward, as measured by a suddenly nervous crew member who stands alongside the cheetah's path. The change in the animal's velocity takes 1.7 s.
Part A: What is the magnitude and of the animal's acceleration according to the cameraman?
Part B: What is the magnitude direction of the animal's acceleration according to the cameraman?
Part C: What is the magnitude according to the nervous crew member?
Part D: What is the direction according to the nervous crew member?
Please break down every step and do not skip over anything - I have been at this problem awhile and keep getting hung up. Thanks for the help!