Steam enters a nozzle at 8 MPa, 400oC, with a velocity of 36.9 m/s. At the exit of the nozzle, the pressure and temperature are 4 MPa and 280oC, respectively. Heat transfer from the nozzle to the surroundings is 167 kW. Determine the nozzle exit velocity (m/s) if the mass flow rate is 2.22 kg/s.