Dragon form is literally Kaido's jobber form. It's not even debatable. Sure Katakuri is as fast as Snakeman at his best. And I've been asking you to prove this for a while now, what makes Katakuri or Snakeman faster than the likes of Marco, King, Kizaru, etc, when it's as slow as Kaido's dragon form physically?
Don't give me BS reasons like Luffy's fast coz he can fight Katakuri and vice-versa. Give me a proper argument. You can't be the fastest guy there is just because you can see the future. You need to react physically. You can't give FS to Chopper and then expect him to dodge G2 Luffy.