This distance vs time graph does not represent velocity. Why? Explain in your own words.

What are the similarities and differences in average speed and velocity and how are these related to instantaneous speed and velocity. Also include graphical interpretations.

Speed (km/h) Time (s) 0.0 0 10 20 30 40 50 60 70 80 12. The Tesla Model S-Can accelerate to high speeds very quickly. The table below shows test data for the Tesla Model S as it travels along a straight line. a. Sketch a velocity vs time graph for this car. 90 100 110 120 b. C. 0.2 0.4 0.6 0.9 1.2 1.6 2.0 2.4 2.9 3.5 4.1 4.8 140 120 iii. iv. 100 80 60 How is the acceleration of this car best described? Zero? Constant but not zero? Increasing? Decreasing? Something else? Explain how you can tell. + What is the car's average acceleration in m/s² for the following times: i. ii. Osto 0.9 s 0.9 to 2.0 s 2.0 to 2.9 s 2.9 to 4.1 s v. 0 to 4.1 s Approximately how far has the Model S travelled once it reaches 120 km/h?

Hicham El Guerrouj of Morocco holds the world record in the 1500 m running race. He ran the final 400 m in a time of 51.9 s. What was his average speed in mph over the last 400 m?A. 14.2 mph                      B. 15.5 mphC. 17.2 mph                      D. 23.9 mph