Pls Help I will award brainiest to the person with the best answer!!

Max takes lucky nickel to the wishing well before his physics exam. Eager to review, he decides to calculate the depth of the well as he wishes. He pulls out his phone starts the stopwatch and flips the coin up into the air. the coin reaches a maximum height of 2.5 meters before travelling down the well shaft. The total time from flip to splash is 3.7 seconds. A. What velocity did the coin have when it left max's hand? B. How far down from Jadens hand is the water surface?