Water Is Being Sprayed from a Nozzle at the End

Multiple Choice

Water is being sprayed from a nozzle at the end of a garden hose of diameter 2.0 cm.If the nozzle has an opening of diameter 0.50 cm,and if the water leaves the nozzle at a speed of 15 m/s,what is the speed of the water inside the hose?

A) 0.63 m/s
B) 0.94 m/s
C) 2.5 m/s
D) also 10 m/s