In still water, a person can swim at a speed of 1. 4 m/s. She swims perpendicularly across a 62 m wide river that is flowing eastward, landing 45 m downstream. What is the speed of the current in the river?
A) 1. 0 m/s[E]
B) 44 m/s[E]
C) 32 m/s[N]
D) 1. 4 m/s[N]