Which car has had the lowest average speed during the race so far?

Question

The diagram below is a snapshot of three cars all moving counterclockwise during a one lap race on an elliptical track.

Which car has had the lowest average speed during the race so far? 

(A) car A 

(B) car B 

(C) car C

(D) all three cars have had the same average speed

(E) cannot be determined with information provided 

Answer 1

Correct option (C) car C

Average speed = (total distance)/(total time). Lowest average speed is the car that covered the least distance.