Two Divers, One on the 15 Ft Platform and One

Multiple Choice

Two divers, one on the 15 ft platform and one on the 30 ft platform, hope to perform a joint dive in which they enter the water at the same time. If each begins with an upward jump with an initial velocity of at 14 ft/s, how much time difference should there be between the start of the two dives?

A) 0.43 s
B) 30.00 s
C) 0.38 s
D) 0.75 s