The distance between two stations A and B is 300 km. A Person leaves the station A to reach B. He starts at 10 AM by car by driving with a speed of 45 kmph for the first two hours and remaining distance is covered by driving fast and reaches destination by 3.30 PM, The speed (in kmph) with which he travelled from 12.00 Noon to 3.30 PM is:

A

60

B

65

C

70

D

75