quads props spin at 20k-40k speed. it was pure luck that quad crashed into building first, which probably shut it down, before crashing into woman. otherwise sh

quads props spin at 20k-40k speed. it was pure luck that quad crashed into building first, which probably shut it down, before crashing into woman. otherwise she could have very bad cuts too. flying quads above people is big no-no. they can loose control for many different reasons.