Bolt's record, while impressive, is by no means unexpected or "crazy". https://en.m.wikipedia.org/wiki/Men's_100_metres_world_record_progression https://en.m.w

Bolt's record, while impressive, is by no means unexpected or "crazy". https://en.m.wikipedia.org/wiki/Men's_100_metres_world_record_progression https://en.m.wikipedia.org/wiki/Men's_100_metres_world_recor...