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    Minimum Speed Calculator
Disclaimer: These online calculators should be used to derive "first approximations" only. They are provided free-of-charge and are intended to give you estimates only. They do not take into account many variables which a reconstructionist would need to evaluate in order to perform a proper accident reconstruction. McNally & Associates ARS, LLC in no way supports data derived from these calculators.
Enter Length of Skid Marks (in feet)   
Enter Friction Coefficient   
(unless known, enter 0.75 for dry roads,    
 0.55 for a wet roads)    
 


 

Calculated Minimum Speed (in mph)   



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