An aquarium is being filled with water. The graph shows the height of the water over time as the aquarium is being filled. Aquarium 20 15 Height (inches) 10 5 1 2 3 4 5 6 7 8 9 Time (seconds) Which statement best describes the rate of change for this situation? A The height of the water increases 20 inches per second. B The height of the water increases 1 inch per second. C The height of the water increases 5 inches per second. D The height of the water increases 2.5 inches per second.