He lets out a breath - they're moving all of one mile an hour - and stares out of the window, making sure they're not about to run out of space.

Of course, at this speed it'd take ten minutes to get to the edge of the waste ground but you can't be too careful.

'Now go faster. Jus' a bit. You'll hear the engine complainin' because you're still in first gear. I jus' wan' you to hear what tha' sounds like so you know not t'do it again.'

He does not let himself think of potential damage to the gearbox, no matter how short a time she spends making it squeal.

'So just press the ol' 'go faster' pedal a little bit an' then back off. Then we'll change up to second.'