"At highway speed, one second is a lot of road. At 100 km/h, a vehicle travels approximately 28 metres in one second."
The Finnish Road Safety Council explains how vehicle speed determines the distance travelled during a driver's reaction time. Its example of approximately 28 metres per second at 100 km/h gives a concrete physical basis for the brief interval between Irene noticing the danger and the prototype intervening. The source year is estimated from the page's reference to 2020 road-crash data because no publication date is displayed.
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