Answer :
Final answer:
Acceleration is the rate of change in velocity, encompassing alterations in speed, direction, or both.
Explanation:
Acceleration, a, is defined as a change in velocity, meaning a change in its magnitude or direction, or both. The rate of change of velocity is represented by acceleration in physics. It includes changes in speed, direction, or both.
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B. Acceleration This is a simple process of elimination it can’t be speed direction or magnitude