An impulse steam turbine nozzle has an efficiency of 70% and an inlet total pressure and total temperature of 1.5MPa and 623.15 K. At the outlet, the static pressure is 1 bar and the absolute flow angle is 65∘. If U=0.65Cθ2​ and if the rotor efficiency is also 70%, find the relative velocities at the rotor inlet and outlet.