Weight (gm)

1

1.5

2

2.5

3

3.5

4

4.5

5

Time (sec)

0.6

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

Drop time for Paper Aeroplanes

Data from Bootham School, York