A River Flows Due East at 2

Multiple Choice

A river flows due east at 2.0 m/s.A boat crosses the 300-m-wide river by maintaining a constant velocity of 15 m/s due north relative to the water.If no correction is made for the current,how far downstream does the boat move by the time it reaches the far shore?​

A) 80 m
B) 30 m
C) 25 m
D) 40 m
E) ​50 m