acceleration with friction

7:11

10:02

12:51

7:14

7:44

9:39

13:17

7:37

6:53

8:27

24:49

19:07

2:47:19

22:57

38:23

7:35

30:59

11:58

21:02

17:17

14:56

2:03

7:01

5:59

4:33

27:22

8:47

10:32

11:04

10:33

3:29:44

1:55:15

8:36

20:40

3:52

9:23

19:22

13:54

6:10

2:19

9:27

19:59

54:30

23:47

4:58

9:57

17:05

13:35

11:24

9:55

11:51

33:46

3:50

10:24

6:29

3:48

8:33

19:11

3:49

16:00