Two freight trains are traveling to Columbus, OH. A graph is shown representing each train's remaining distance to Columbus over time. A. Compare the distances relative to Columbus from with the trains BEGIN their trip.

B. Tom claims both trains traveled at the same speed over a certain interval. Sara claims that both trains traveled at different speeds the entire time. Justify which claim is correct.

Please help, I don't understand, and I need to get this done no later than today!