Explanation:
Its Velocity Over time right?
(If I know then I can answer)
Edit: During part A, the man's velocity Increased over the short period of time, comming to a constant speed at B. After his speed quickly slowed down, where is remained constant one more in D. Imedently rose to a speed F, in part E. Accelerating in part G, before decreasing H, and remaining constant in I for the rest of his journey.
Hope that Helped