Two cyclists with speeds of 20 km/h and 24 km/h start moving from the same point at the same time in the same direction on a circular track.
When the slower cyclist completes the 2nd lap, the faster cyclist is 6 km away from completing the 3rd lap.
Accordingly, what is the length of the track in km?\\
A) 9\\
B) 10\\
C) 12\\
D) 15\\
E) 18