What common experience suggests that the human body is quite accustomed to travelling at high speed
A.An airliner travelling from London to New York may take from S to 15 hours to cross the Atlantic.
B.We are normally quite unconscious of the earth’s rotation on its axis.
C.The space capsule must be hurled through the atmosphere to reach its final speed of 18,000 mph.
D.An airliner can cruise at the speed of 400 mph.