Which statement is true regarding speed, velocity, and acceleration?
A. Velocity is speed in a certain direction; acceleration is a change in velocity.
B. Acceleration is speed in a certain direction; velocity is a change in acceleration.
C. Velocity is a change in speed; acceleration is a change in direction.

Respuesta :

A. Velocity factors with speed and direction and it's kind of process of elimination from then on. Acceleration isn't a change of direction and velocity isn't a change in acceleration