If you buy something using links in our stories, we may earn a commission. Learn more. Equations relating speed and mass go back to Newton and beyond. But after I got geeky with an equation for ...

Two Spanish scientists have designed an equation that provides a highly accurate estimate of an individual's speed based on stride length. They used data from professional athletes and walking and ...

Swimmer Eric Shanteau placed third in the 200-meter breaststroke at the U.S. Olympic trials with a time of 2:10.05. This gives him an average speed of 1.538 m/s. Of course, this wasn’t his speed the ...

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