how drafting behind another car makes it easier to overtake.
In: Physics
While air seems to be nothing, to offer no resistance, the faster you go the more it acts like water, pushing back against you, slowing you down (imagine trying to run in water!).
In this case the front car is doing all the work of pushing the stationary air out of the way. That slows them down. The second car doesn’t have to do that work so can go faster
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