100 lbs 150 lbs 200 lbs 250 lbs Trial One 2m 9m 24m 28.5m Trial Two 4m 13.5m 26.5m 31.5m Trial Three 0m 11m 24.5m 27m Trial Four 3m 9.5m 19.5m 32.5m Trial Five 4m 7m 22m 30m Mean 2.6m 10m 23.3m 29.9m Uncertainty 0.8 1.3 1.4 1.1