Question

What is deceleration?​

Answer 1

Answer:

Deceleration has actually referred to the acceleration in a reverse way. We know that acceleration means the rate at which an object speeds up, that means deceleration means the rate at which an object slows down

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Answer 2

Explanation:

Deceleration always refers to acceleration in the direction opposite to the direction of the velocity. Deceleration always reduces speed. Negative acceleration, however, is acceleration in the negative direction in the chosen coordinate system