Marissa went on a trip and drove her car throughout the day. The graph below shows Marissa's distance from the starting point of her trip for different segments of time.
Part A
Describe each of the three segments of the graph in terms of the rate of change in Marissa’s distance from the starting point throughout her trip.

Part B
Describe Marissa's distance from the starting point at the end of her trip in relation to her distance from the starting point at the beginning of her trip. Use evidence from the graph above to justify your answer.