Water runs into a fountain filling all the pipes at a

Question

Question: Water runs into a fountain, filling all the pipes, at a steady rate of 0.785 m/s³.

Question 1: How fast will it shoot out of a hole 3.85 cm in diameter?

m/s

Question 2: At what speed will it shoot out if the diameter of the hole is two times as large?

m/s

Please explain the equations and steps and numbers are used to get the answer. Thanks!