The phrase "furious pace" means doing something very quickly and with a lot of energy, like being in a hurry but with even more speed and intensity. Full definition
Principals moving toward personalized and digital learning must develop new strategies and be prepared for the sometimes fast and furious pace of change in a system designed to maintain the status quo. (educationnext.org)
Your publisher wants, I'm assuming, lots of posts from you, but that means we the responders have to move at the same furious pace to keep up. (dotearth.blogs.nytimes.com)
We have had many intense and highly physical matches recently but the match against Liverpool was played at an even more furious pace than I could have imagined. (justarsenal.com)