The rocket shown has 7 lb of propellant with a burnout time (time required to burn all the...

The rocket shown has 7 lb of propellant with a burnout time (time required to burn all the fuel) of 7 s. Assume that the mass flow rate is constant and that the speed of the exhaust relative to the rocket is also constant and equal to 6500 ft/s. If the rocket is fired from rest, determine the initial weight of the body for the rocket if the rocket is to experience an initial acceleration of 6g.

Figure P5.119