Snaps back into gear

And the rhythm, according to Darren Lehmann, his club captain at South Australia, is coming back. "He's starting to get it back, that swing and pace. He's lots more energetic at the crease. He was a little down in the dumps at first, but once he got over that initial shock, he's been great with the younger lads. He looks refreshed, and I think he'll get some big wickets for us and hopefully get back in the Australian side. If he doesn't get wickets early for us, it could be a tough road for him. But if he does get wickets and snaps back into gear quickly, he can get back."

Source : http://www.cricinfo.com/australia/content/story/222789.html


Please explain to me the meaning of "snaps back into gear" in this context.