A collection of flash strobe photographs was taken every second of a set of spheres moving from left to right. The diagram shows the location of each sphere when the photo was taken. All the positions are in meters. Use the diagram to answer the following questions. A. Which digram(s) show acceleration? Explain how you know?

B. Which diagrams show deceleration? How do you know?

C. Which diagrams show constant velocity? How do you know?