Velocity (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">velocity</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for speed that I've seen before include "Rapidity of movement" , "A devilish quick driver?" , "Swiftness" , "Rapidity - amphetamine" , "Rate of movement" .)
(Other definitions for scrum that I've seen before include "brawl" , "Disorderly struggle" , "Disorderly mob" , "A pushy rugby formation" , "A rugby play" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">velocity</span>' is the definition.<br/ ><span class="explanation-format__explanation">(rate is a kind of velocity)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rate that I've seen before include "The price paid" , "Bawl out" , "Regard" , "standard levy" , "Amount measured against another" .)