Decelerated vs Decelerate - What's the difference?

As verbs the difference between decelerated and decelerate

is that decelerated is past tense of decelerate while decelerate is to reduce the velocity of something.

(head)

(decelerate)

(en-verb)

to reduce the velocity of something

to reduce the rate of advancement of something, such as a disease

to go slower

* to retard

(en-verb)

to reduce the velocity of something

to reduce the rate of advancement of something, such as a disease

to go slower

* to retard