The table shows the distance that two trains are from Center Station at various times of the day. Miles From Center Station

Time of day

{ Train 1 } [Train 2]

11:30: { 13 } [ 7]

12:00: {31} [27]

12:45: {58} [57]

How do the speeds of the trains compare?

a) Train 1 is traveling 1 mile per hour faster than train 2.

b) Train 1 is traveling 6 miles per hour faster than train 2.

c) Train 2 is traveling 4 miles per hour faster than train 1.

d) Train 2 is traveling 5 miles per hour faster than train 1.