Dragon Ball - Vol. 34 Ch. 403 - The Warrior Who Surpassed Goku

[MangaDex]

 

[Lithe]

That comment about Gohan's remark several chapters ago does become very clear here, though without the comment I wouldn't have bothered to make the connection.

 

[Ezralaazn]

wasn't Goku not using the upgraded version of super saiyan that increases your strength but not your speed

 

[LordTouchMee]

Prime Gohan right here