Chloe has a vertical velocity of 3 m/s when she leaves the 1 m diving board. At this instant, her center of gravity is 2.5 m above the water.
a. How high will Chloe go?
b. How long will Chloe be in the air before she touches the water? Assume that she first touches the water when her center of gravity is 1 m above the water.