[ 525 ] Physical Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • The graph describes the change in motion of a car. 30 25 20 15 10 5 0 0 1 2 3 4 Time (s) Velocity (m/s) Which statement describes the results? A. The velocity increases linearly at a rate of seven m/s/s. B. The velocity increases non-linearly at a rate of seven m/s/s. C. The velocity decreases non-linearly at a rate of seven m/s/s. D. The velocity decreases linearly at a rate of seven m/s/s.