Answer:
Object 2 > Object 1
Step-by-step explanation:
The slope is the speed so we need to find the slope of object 1
Using the points (2,18) and (8,72)
slope = (y2-y1)/ (x2-x1)
     = (72-18)/ (8-2)
      =54/6
      =9
Object 2 has a slope of 10
10>9
Object 2 > Object 1