Motor Oil,with a Viscosity of 0

Multiple Choice

Motor oil,with a viscosity of 0.25 N ∙ s/m²,is flowing through a tube that has a radius of 3.0 mm and is 1.0 m long.The drop in pressure over the length of the tube is 200 kPa.What is the average speed of the oil?

A) 0.80 m/s
B) 0.90 m/s
C) 1.0 m/s
D) 1.1 m/s
E) 1.2 m/s