positive acceleration


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positive acceleration

Increase in the rate of change in velocity per unit of time.
See also: acceleration
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Weijer [65] reviewed the correlation of various cycle parameters to emissions and found RPA, Average Speed, Positive Kinetic Energy, Standard Deviation of Speed, Average Positive Acceleration and RMS Acceleration as most important parameters.
Today the Universe keeps expanding, but since 1998 we learned that it has a positive acceleration rate.
where [[alpha].sub.-max] is the preset negative acceleration limit, not necessarily equal to positive acceleration limit [a.sub.max].