Solve the following problem accurately

3. Three people run a 300-meter race. They start at time = 0 and run as follows: Runner A jogs the entire race at a constant 6 m/s. Runner B sprints for the first half of the time at a constant speed of 10 m/s, then gets tired and walks the other half of the time at a constant 2 m/s. . Runner C sprints for the first half of the distance at a constant speed of 10 m/s, then gets tired and walks the other half of the distance at a constant 2 m/s (a) Consider Runner B's race. i. How much time was spent moving at 10 m/s and moving at 2 m/s? li. How far did Runner B travel while running at 10 m/s, and how far while walking at 2 m/s? ill. On the grid below, draw a graph of Runner A's distance as a function of time, and label that graph "A". Then draw a graph of Runner B's distance as a function of time, and label that graph "B". d (m) 300 250 200 150 100 50 1 (s) iv. The average of 2 and 10 is 6. Does this mean that Runner B had the same average speed as Runner A? Answer the question and state evidence for your answer from the graph above