At the centre of a circular ice rink, a 89.0 kg ice skater moving 1.85 m/s north hits and grabs onto a 53.0 kg ice skater who had been traveling west at 4.70 m/s.If the skaters hold onto each other and the rink has a 39.0 m diameter, what is the amount of time for the skaters to reach the edge of the rink?