Are snow tubes faster than sleds?
Are snow tubes faster than sleds? Sledders on inner tubes went faster and generated more kinetic energy than those on plastic/hard foam sleds; mean 20.3 mph (95% CI 19.5-21.0) versus 18.3 mph (95% CI 17.8-18.7), p < 0.0001 and mean 2,136 J (95% CI 1,752-2,520) versus 1,707 J (95% CI 1,478-1,936), p < 0.05, respectively.
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