Crossword Genius

Maximum speed of prat: ego out of control (3,4)

Ross

I believe the answer is:

top gear

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'maximum speed' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'prat ego out of control' is the wordplay.
'out of control' is an anagram indicator.
'prat'+'ego'='pratego'
'pratego' with letters rearranged gives 'TOP GEAR'.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for top gear that I've seen before include "one may drive in it" , "Portage (anag) - TV motor programme" , "Fifth - motoring programme" , "Perhaps fourth" , "TV car programme" .)

I've seen this clue in The Times.
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