<VV> VirtualVairs Digest, Vol 187, Issue 29

[FrankDuVal]

That's negative acceleration, since the change in velocity is negative. 
i.e. 60 to 0 MPH, hitting bridge abutment at speed.

in English, Deceleration is the term we use.

Sudden Deceleration kills.;-)

Frank DuVal

On 8/14/2020 4:21 PM, William Hubbell via VirtualVairs wrote:
> Technically speaking, it’s sudden acceleration that kills (acceleration defined as change in velocity) - sudden stopping being really just sudden acceleration in the opposite direction of travel.
>
> Bill
>
> On Aug 14, 2020, at 2:10 PM, James P. Rice via VirtualVairs <virtualvairs at corvair.org> wrote:
>
> All:  Speed does not kill.  Sudden stops kill.  Moral:  Avoid situations
> which result is sudden stops.