Winter Olympics 2018: The Physics of Blazing Fast Bobsled Runs

WIRED 

I don't know very much about bobsleds--but I know quite a bit about physics. Here is my very brief summary of the bobsled event in the winter Olympics. Some humans get in a sled. The sled goes down an incline that is covered in ice. The humans need to do two things: push really fast to get the thing going and turn to travel through the course.