The following data table gives the position of an object during freefall. The time interval between adjacent points is 1/60 seconds.
|
Point
|
Position(cm)
|
|
1
|
70.77
|
|
2
|
68.56
|
|
3
|
66.09
|
|
4
|
63.34
|
|
5
|
60.32
|
|
6
|
57.02
|
|
7
|
53.46
|
|
8
|
49.62
|
|
9
|
45.51
|
|
10
|
41.12
|
What is the instantaneous velocity of the object when it is at position 3?