An engine oil of viscosity $$22.5 \times 10^{-2}$$ (Per.s) is flowing through a pipe of radius 1 m. average velocity of oil through the pipe is 1.2 m/sec. if the velocity profile is parabolic profile then maximum velocity of oil is:

A

2.4 m/sec

B

1.8 m/sec

C

1.5 m/sec

D

3.6 m/sec