as i said, ALOT more zombies, there should be enof that running through a town should be almost implausible even if there slow, and with there currant speed iv seen allot of videos, and dun myself, of people easly sliping through the low number of zombies even at this speed we have right now, and but hordes i mean hordes, allot of zombie would have bunched up in real life if this where to happen, in all citys there woud be hundris of zombies, and in real life, they may be able to run at this speed, but the whole point of a zombie is it feals no pain, so shooting it in the cheast would only make it blead, if this wasn't litiral walking dead zombies, but they woulden't faint of pain couse they fell no pain, thus they would still run after you if you shot them in the chest, the would only stop once there blood got so low that they couldn't move at all.