Study the speed time graph of a body shown in Figure. and answer the following questions:
(a) What type of motion is represented by `OA` ?
(b) What type of motion is represented by `AB` ?
( c ) What type of motion is represented by `BC` ?
(d) Find out acceleration of the body.
(e) Find out retardation of the body .
(f) Find out the distance travelled by the body from `A` to `B`