College students

10 mins

55 secs

1 min 11 secs

18 mins 14 secs

1 min 59 secs

2 mins 29 secs

12 mins 21 secs

3 mins 12 secs

23 secs

1 min 26 secs

11 mins 34 secs

31 secs

8 mins 17 secs

50 secs

3 mins 59 secs

20 mins 58 secs

1 min 1 sec

5 mins 1 sec

46 secs

1 min 39 secs

16 secs

50 secs

49 secs

8 mins 13 secs

34 secs

1 min 11 secs

18 secs

9 secs

13 mins 58 secs

11 mins 10 secs

1 min 36 secs

5 mins 13 secs

10 mins 50 secs

7 mins 26 secs

3 mins 17 secs

12 mins 28 secs

11 secs

21 secs

5 mins 31 secs

5 mins 35 secs