Physics

Ayla Roach

11 October, 19:09

You hear the engine roaring on a race car at the starting line. Predict the changes in sound as the race starts and approaches the camera

A. the sound of the engine will get louder and pitch lower

B. the sound of the engine will get louder and pitch higher

C. the sound is determined by the car and it will not change in anyway

D. the sound of an engine will get louder but the pitch will not change