{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/a2e693f075604f959482e7b3757cd433\" frameborder=\"0\" width=\"1440\" height=\"1080\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":1080,"width":1440,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":1080,"thumbnail_width":1440,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/a2e693f075604f959482e7b3757cd433-00001.jpg","duration":129,"title":"April 2019_S4_Q21","description":"p: In the figure above, X is a mark on the side of a tire of a car at rest. The car, starting from rest, will experience an acceleration for some period of time. Which of the following graphs could represent the distance between the mark X and the ground after the car starts to accelerate and the tire makes its first few revolutions?"}