The most common and most likely answer to this crossword clue is the 11 letter word ACCELERATOR
I've seen this crossword clue in The Sunday Telegraph
A
C
C
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A
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More clues leading to the result ACCELERATOR
Buddy explains!
The straight part
We know that "What gives you potential to race clear?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case what gives you potential to race clear? = accelerator.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ACCELERATOR mean?
ACCELERATOR noun- One who, or that which, accelerates.
- A device for causing acceleration.
- A substance which speeds up chemical reactions.
- A pedal causing the vehicle to accelerate when it is pressed.
- A chemical that reduces development time.
- A device that accelerates charged subatomic particles.
- A muscle or nerve that speed the performance of an action.
- An accelerator key.
- A light van to take mails between a post office and a railway station.