Answer:The answers are down there.
Explanation:
A) The speed of the train on the last section is 20miles/ 30 minutes which 0.66 miles per minute.
B) It traveled the fastest from 50 to 60 minutes or 30 miles to 60 miles.
C) The train will travel 60 miles in 60 minutes.
D)The train stopped for 20 minutes during the journey.