A flexible hose with inside radius 0.250 in. leads to a shower fixture with 15 holes, each

Question:

A flexible hose with inside radius 0.250 in. leads to a shower fixture with 15 holes, each with radius 3.13 x 10–2 in.
(a) If a faucet is opened to allow the water to move through the pipes at 3.94 ft/s, what is the speed of the water as it comes out of the holes?
(b) What are two ways to increase the speed of the water from a shower fixture without opening the faucet farther? Explain.