Which means not a whole lot. They relaxed because he looked like a kid.
They relaxed because he got weaker. Piccolo and the others didn't relax because Freeza got smaller. Vegeta was only calm because he believed he was stronger than Freeza. Size has nothing to do with it.
When he formed the second one, they were horrified, could only flee in panic, and state "we could never stop that blast."
Yes, because Goku would be unable to transform, power-up to his full SSJ3 power, and repel the attack before it reached the planet. He barely had time to grab Hercule and teleport away.
The point is, they didn't know how strong Kid Buu was yet, so they had nothing to go on but his size.
Considering that they were sensing Super Buu's power through out his entire transformation... they knew exactly how much power Kid Buu had. And past experience has already shown that that size doesn't matter.
Given the theory that Base Super Buu is vastly beyond the power of Kid Buu, then yes; technically Super Buu with Gotenks absorbed rushing at Goku should take place in less time then it takes any attack of Kid Buu's to drop.
That's 100% speculation. A charging enemy and a falling attack are completely different. The enemy is coming
at you. The attack is not. Also, Goku was merely trying to gather enough power to stop Super Buu from finger flicking him to death. Not to stop a
MASSIVE attack designed to completely
OBLITERATE the planet.
that Goku had more then enough time to go SSj3 and try to stop Buu's attack.
Key word:
try. Goku could have tried. He could have tried all he wanted. But he already knew he wouldn't be fast enough at moving or gathering his power to stop it in time.
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