It isn't. There are few spots you can walk into to trigger the "running up/down the stairs" sound. And then there's a timer, 13 seconds I think? that shuts off all lights after the sound. Plus the meat thing only appears once you have flashlight.
Ah ok, yeah I stumbled around in the dark in practice but found out about the meat being tied to the flashlight. I don't think I'm gonna try to grind for sub minute but I'd like to see someone do it that'd be cool