How are the people that are swimming across the English Channel not swept by the powerful water currents?

Question

How are the people that are swimming across the English Channel not swept by the powerful water currents?

In: Other

Answer 1

You enter further upstream than your exit point. You can do the math of flow rate to enter/exit points but I’m horrid at math. Once this is calculated, you’d be carried downstream at a rate equal to the straight line across.