A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is

I'm not sure how to go about this problem, how do you account for her jump up at the beginning?

A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is 1.90 m above the pool.(a) How long are her feet in the air?S(b) What is her highest point above the board?m(c) What is her velocity when her feet hit the water?m/sAdditional MaterialsReading