Reaction time can vary dramatically. Someone new to the “gunshot, run” dynamic could take longer, a soldier trained via repetition to react to a gunshot could

Reaction time can vary dramatically. Someone new to the “gunshot, run” dynamic could take longer, a soldier trained via repetition to react to a gunshot could be shorter, and a veteran with PTSD could be shorter still. 100ms is both too long and too short (or so I’ve heard, I’m not an expert).