Question

Acceleration involves a change
in
A. time
B. direction
C. speed
D. either b or c

Answer 1

Answer:

C

Explanation:

Think about it. If you accelerate, you go faster. This means you change speed.

Answer 2

Answer:

The answer is D. Acceleration involves a change in direction and speed.

Explanation:

Since velocity (speed of something) is a vector (direction),it can change either in magnitude or in direction.