Mean Acceleration Before Impact

Database table	reconstruction_impact
Database variable name	Mean_acceleration
Introduction date	2009-07-01
Expiration date	Still active

Short description

Average acceleration of the vehicle previous to the impact (in m/s2).

Values

Decimal number [m/s2]

Description

The mean acceleration (in m/s2) previous to an impact is defined by the difference of the squares of Initial Speed (IS) and Collision speed [km/h], divided by two times of the Brake Distance Before Impact, whereas the initial speed and the collision speed are given in [m/s]. For braking the acceleration has a negative value.

Braking is a negative acceleration.

Short description

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