Nepotists' corruption accelerates (5,2,2)

I believe the answer is:

steps on it

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'accelerates' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'nepotists' corruption' is the wordplay.
'corruption' indicates anagramming the letters.
'nepotists' anagrammed gives 'STEPS ON IT'.

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I've seen this clue in the Sydney Morning Herald.

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