Air enters the afterburner nozzle of a jet fighter at 427°C with a velocity of 100 m/s. It leaves this adiabatic nozzle at 377°C. Assuming that the air specific heats do not change with temperature,...

Air enters the afterburner nozzle of a jet fighter at 427°C with a velocity of 100 m/s. It leaves this adiabatic nozzle at 377°C. Assuming that the air specific heats do not change with temperature, the velocity at the nozzle exit is:
A) 142 m/s
B) 178 m/s
C) 227 m/s
D) 343 m/s