Assume we all accept that gravitational influence moves at the speed of light, just as EM radiation does. Light cannot escape from a black hole because the escape velocity from a BH exceeds the speed of light. If gravitons are a proposed particle-interaction based solution to explain gravity, how can gravitons escape from a BH if light cannot? ie, it seems that gravitons, as particles, cannot be a correct explanation of the operative mechanism of gravity. Thoughts?