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## Main Question or Discussion Point

Hello, I'm going to build a solar-powered go-kart. To determine the sprocket that I want to use I need a formula to calculate the top speed which also considers vehicle weight and other resistance forces. All the formulas I found just used sprocket tooth and rpm to calculate top speed but of course the weight of the kart and other factors also influence the top speed. Does anyone have a formula with which I can calculate this?