Nice stunt, but the announcer said that the trailer would push the RV. Just the opposite is true because the trailer adds drag. No one expects an announcer at a tracter pull to be a physicist, but with his logic, two trailers would add more push than one. Then, if the RV pulled 10 trailers, it would clear the span, if the trailers added push. Alas, the laws of Newton don't work that way.
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