New DBZ calc.
This is proof that Gotenks SS3 is faster than light
Speed of Light is 299,792,458 m/s
Circumference of earth in meters 40,075,017 m
Gotenks circled the earth 9 times in 7 seconds
Time to multiply the amount of times he flew around the earth with its circumference to figure out how much distance Gotenks traveled.
40,075,017 x 9 = 360,675,153 m
360,675,153 m in 7 seconds
So now divide by 7 to see how many meters per second he traveled
360,675,153 / 7 = 51,525,022 m/s
so Gotenks flew at 51,525,022 m/s
Now how close to lightspeed is that?
51,525,022 / 299,792,458 = 0.17… and many more decimals
but the easiest way to put it is to say he traveled 1/6 the speed of the of light
Now Gotenks was Super Saiyan 1 when he did this. It well known the SS2 is a 2x multiplier on SS1 and SS3 is a 4x multiplier making a SS3 8x stronger/faster than a SS1
To figure out how fast Gotenks SS3 speed is theoretically we multiply his SS1 speed by 8 (to account for the Super Saiyan multipliers)
51,525,022 x 8 = 412,200,176 m/s
412,200,176 / 299,792,458 (Speed of Light) = 1.37
1 1/3 times faster than the speed of light. This does not include how much faster Gotenks was after his training. It can be safely assumed that his is even faster than then my calculations. As such ever character stronger than him is faster than light (at least by using the anime)