Your Company Is Testing a New Auto Engine in a Race

Multiple Choice

Your company is testing a new auto engine in a race car.The race car is on a 2-mile track.If the first lap was exactly at 2 minutes, so that the average speed for the first lap was 1.00 mile per minute, what would be the time required for the second lap so that the overall average speed will be 4 miles per minute?

A) It's not possible to end up with an overall average speed of 4 miles per minute.
B) 1.0 minute
C) 0.8 minutes
D) 0.6 minutes
E) 0.4 minutes