Steam is accelerated by a nozzle steadily from a low velocity to a velocity of 210 m/s

Question:

Steam is accelerated by a nozzle steadily from a low velocity to a velocity of 210 m/s at a rate of 3.2 kg/s. If the temperature and pressure of the steam at the nozzle exit are 400°C and 2 MPa, the exit area of the nozzle is
(a) 24.0 cm2
(d) 152 cm2
(b) 8.4 cm2
(e) 23.0 cm2
(c) 10.2 cm2