Question

Two skaters, both of mass 50kg, are on skates on a frictionless ice pond. One skater throws a 0.2kg Frisbee at 5m/s to her friend, who catches it and throws it back at 5m/s. When the first skater has caught the returned Frisbee, what is the velocity of the each of the two skaters?
a) .02m/s, moving apart
b) .04m/s, moving apart
c) .02m/s, moving towards each other
d) .04m/s, moving towards each other
e) none of the above