Quote Originally Posted by mojo
Block holes don't trap light by slowing it down. They trap light by red-shifting it to the limit of infinite red shift, which has infinite wavelength, and therefore 0 energy.
So the Newtonian view of the event horizon representing the region where escape velocity is c is... a coincidence? Or is it the same kind of coincidence that inertial and gravitational mass are... ie different ways of measuring the same effect?