A car accelerates a form an initial speed to higher final sped while the engine puts out constant power. During this time period, magnitude of the car's acceleration was ..

Question

A car accelerates a form an initial speed to higher final sped while the engine puts out constant power. During this time period, magnitude of the car's acceleration was ..
a increasing 
b decresing
c constant
d unpredictable

please explain why also.

bobpursley · Answer

acceleration is increasing if velocity is increasing. Sounds like the car is going down a hill.