rate of change of acceleration

rate of change of acceleration

[′rāt əv ′chānj əv ik‚sel·ə′rā·shən]
(mechanics)
Time rate of change of acceleration; this rate is a factor in the design of some items of ammunition that undergo large accelerations.
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References in periodicals archive ?
It's not really the G-forces; the key is the rate of change of acceleration, or the jerk rate, like you have with shaken baby syndrome,'' Novack said.