Crossword Genius

Make idle one react differently, slowing down (12)

Ross

I believe the answer is:

deceleration

'slowing down' is the definition.
(the opposite of acceleration)

'make idle one react' is the wordplay.
'make' indicates anagramming the letters.
'idle'+'one'+'react'='idleonereact'
'idleonereact' anagrammed gives 'DECELERATION'.

'differently' acts as a link.
I am not very happy about this link. It may belong to another bit of the clue.

(Other definitions for deceleration that I've seen before include "Slowing of velocity" , "Process of slowing down" .)

I've seen this clue in The Times.
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