Frederica is sitting on a moving train. She watches the telephone poles fly past. She knows that the poles in this area are 1/4 mile apart. Every minute, 5 poles pass her. In the reference frame of the poles, how fast is the train moving?
A.
2 miles/min
B.
1.3 miles/min
C.
0.80 miles/min
D.
0.50 miles/min