A gas has a pressure drop of 2 psi along a 1000 ft length of straight pipe. The gas has a density of 0.07 lb/ft 3 and the pipe inside diameter is...

A gas has a pressure drop of 2 psi along a 1000 ft length of straight pipe. The gas has a density of 0.07 lb/ft3 and the pipe inside diameter is 4.026 inch. Approximately, what is the velocity of the gas as it flows through the pipe? Assume that the Darcy-Weisbach friction factor is 0.02.