A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1 m. With what velocity will the body reach the bottom?

A body rolls down a stair case of 5 steps. Each step has height 0.1 m

1.	A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1 m. With what velocity will the body reach the bottom?
Answer» 6.25 m 2.5 m 3.75 m 5 m ANSWER :D