This Is Your Brain on trolley
https://www.evernote.com/shard/s661/sh/50bf5717-d576-491f-a68b-dda24a1cf79d/1cccdb2a7e89e17d91d4e2f10e52a5df
Just after five minutes he are going to be unconscious and in quarter-hour later on a dead human body will be hauled out. Fall safety researchers have regarded this phenomenon for many years.