Travel for work that is about money and speed (9)
I believe the answer is:
itinerate
'travel' is the definition.
(I've seen this before)
'work that is about money and speed' is the wordplay.
I cannot quite see how this works, but
'work' could be 'rat' (ratting is a kind of working) and 'rat' is located in the answer.
'money' could be 'tin' (old-fashioned slang term for money) and 'tin' is present in the answer.
'that is' could be 'ie' (short for Latin 'id est', 'that is') and 'ie' is found in the remaining letters.
A single letter 'e' remains which might be clued in a way I don't see.
This explanation may well be incorrect...
'for' acts as a link.
Can you help me to learn more?
(Other definitions for itinerate that I've seen before include "What nomads do" , "travel here and there" , "journey" , "Travelling from place to place" .)