I don't necessarily see the pace slowing any time soon. I think it's great that they want to continue adding in some of the more mature stories, but they're not gonna sacrifice the action either, whether that's a Disney mandate or what. The few slower episodes we got in season 1 got some criticism for breaking up the pace (which, to be fair, I think has more to do with where in the season they were placed moreso than their existence), and I can already see the vocal fanboys decrying the lack of action in an X-Men show. It's admirable that they want to try and please both crowds, but you're never gonna satisfy everyone.
Then again, now that they know they have a future ahead, maybe they will take some more time to breathe. I suppose it depends on if they knew they were getting season 3 when making season 2. At this point I think it would take a hell of a lot to get Disney not to renew the show again, so I'd hope the crew can rest a bit and get more experimental, even if nothing is official.