MIT researchers have found an answer in a new study that shows humans need about 390 to 600 milliseconds to detect and react to road hazards, given only a single glance at the road — with younger drivers detecting hazards nearly twice as fast as older drivers.
D. Most fruitful
Hope this helped! Good luck! :)
Https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1083872/ (many great points there with backed up evidence, just requires a little reading)
simple space for one also aeronautics, engineering, physics ect.