Went too fast (4)
I believe the answer is:
sped
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">went too fast</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sped that I've seen before include "got a move on" , "Hastened" , "Rushed" , "Travelled quickly" , "Went quickly" .)