If a Curve Is Banked to Accommodate Cars Traveling at 15

Multiple Choice

If a curve is banked to accommodate cars traveling at 15 m/s, what will happen during an ice storm (no friction with the road) to a car moving at a faster speed?

A) It will gradually slide down the bank.
B) It will continue to follow the curve as if there were no ice.
C) It will gradually slide up the bank.
D) It will quickly slide up the bank.