Air enters an insulated nozzle at 200 kPa and 950 K and discharged at 70 kPa. Find the maximum velocity obtained at the nozzle exit. Take c₂ =1.099 kJ/kg-K and k=1.354 Cp A) 639 m/s B) 708 m/s C) 575.891 m/s D) 566 m/s