A Fish Swimming with Speed of 1

Multiple Choice

A fish swimming with speed of 1.00 m/s is chasing its prey of 0.100 of its mass. It captures its prey when their relative velocity is 0.10 m/s. If the fish were to capture its prey when their relative velocity was 0.20 m/s, what would be the velocity of the fish in the second case relative to the first case?

A) 0.90
B) 0.99
C) 1.09
D) 1.11