Can someone show me how to do this physics problem ? Can someone give me the answer?

On July 31, 1994, Sergery Bubka of the Ukraine broke his own world pole vaulting record by attaining a height of 6.14 m . a) how long did it take Bubka to return to the ground from the highest part of his vault ? b) Describe how this time compares to the time it took him to go from the ground to the highest point.