I do not understand why I have been pressing reply and it's not showing up.
So i'm Just gonna reiterate.
Dragon Ball Z speed feats never reach MFTL, just as Solar System feats don't exist. Statements exist for the latter, and Solid Multipliers and Scaling exist for the former. To deny the use of one is to reject the use of the other because they are both flawed for the same reason. "No feats!"
To all the other irrelevant arguments;
Power Levels do not need to be linear for this to be true. All that needs to be true is that the Kaioken multiplies the stats linearly. That the same Multipliers increase PLs linearly. It doesn't matter if or if not Power Levels are linear— and even if we treat them like so, we can only forward scale them, and in addition, it would be less than the actual values we get from the story. So, even if we treated PLs linearly, it would be like drawing a linear line on an exponential function graph. It would only low ball, considering there is no consistency for the idea of a character being weaker than another, despite having a higher power level, or being physically stronger than another, despite having a lower power level.
Dragon Ball Travel Speed Feats we're always trash. Breaking it down, Goku has the stamina to sprint and fly at full speed for at least as long as a normal person can, though that's downplay, considering he swam and ran halfway across the world in a single day. But even still, Goku, sprinting like a normal person, would have finished the Snake way run in 5 minutes tops, but it took him less than a day instead. It's bad writing like this that make these low end travel feats built in to the story for suspense alone unreliable as detraction evidence against MFTL or even FTL travel. Bad writing chief.
Here's the math.
Goku, assuming he has normal human stamina, can sprint at most, 10 seconds. He moves approximately 93,886,328.1 MPH, which is 156,477.213 Miles per Sprint (10 Seconds). Snake way is 625,000 Miles long. Goku can sprint, catch his breath, sprint, catch his breath, sprint, rest, and sprint again and be done in 3 minutes.
But Yamcha and Tien and Chiaotzu died before he even got to Earth...
This guy can fight for Five Minutes Straight, moving at these sprinting speeds, and he likely trained for five days straight, with little ear. I have no reason to suspect that he cannot move faster than what he has shown, and bad writing is the only rational conclusion, because Toriyama doesn't put much thought into this shit, by his own admission.
I'm upset, not because no one is disagreeing with me, but because no one is making a good argument as to why— when I expect people to be competent enough to realize why their arguments don't make sense.