Normally, it would mean to pull the go-cart manually. However, there is a possibility that this makes reference to drag racing, in which (usually) two vehicles compete in a race.
Student or Learner
Not long after she started dragging the go-cart down the narrow streets.
This sentence is taken from Collins Cobuild Usage about the usage of AFTER. Could I ask what the verb drag means? Does it mean 'pull with her hands' (as in 'pull a cart') or just 'drive' (as in 'drive a car')?
(I've already looked up the word go-cart, and know it's a special car for racing.)
My first interpretation would be pulling it.
I would think racing. But since this is a fragment with no context, we'll never know.