which refers to the rate of change in velocity?\n speed\n acceleration\n direction\n magnitude

which refers to the rate of change in velocity?\n speed\n acceleration\n direction\n magnitude
Answer
Brief Explanations:
Acceleration is defined as the rate of change of velocity. It can be a change in speed, direction, or both. Speed is just the magnitude of velocity. Direction and magnitude alone do not represent the rate of change in velocity.
Answer:
B. acceleration