Two ice skaters, with masses of 50.0 kg and 85.0 kg, are at the center of a 60.0 m-diameter circular rink. The skaters push off against each other and glide to opposite edges of the rink. a.)If the heavier skater reaches the edge in 40.0 s, how long does the lighter skater take to reach the edge? Express your answer with the appropriate units. THANKS!!!!!