Question

Deacceleration means
acceleration​

Answer 1

Answer:

Deacceleration means retardation which is the acceleration which happens when brakes are applied

Explanation:

Answer 2

Answer:

It is common to use acceleration to mean speeding up and the word deceleration to mean slowing down. Strictly speaking, however, acceleration describes both types of motion. Speeding up might be referred to as positive acceleration and slowing down as negative acceleration