A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 13.5 m/s, and the man is initially 3.45 m above the level of the saddle.

(a) What must be the horizontal distance between the saddle and limb when the man makes his move?
m

(b) How long is he in the air?
s