The Brief: "I am speed" is a quote from Lightning McQueen in the movie Cars used to depict funny situations in which things are done unnaturally fast.

DEEP DIVE
These memes and image macros feature a captioned still of Lightning McQueen, a character from the Cars film franchise, in which he says “I am speed” to hype himself up during a race.
i am SPEED from memes
Need the speed from memes
A Minecraft survival tip for the fastest of typists:
In some versions, the text is edited depending on the context:
I am speed from memes
Other variations of this meme don’t include Lightning McQueen and instead showcase the speed with which people can complete nonsensical acts:
Dr doof can eat a tub of conditioner in seconds from dankmemes
I am speed from memes
Memes with similar concepts feature Kyles, Spooktober, Joker, and school shootings:
I am speed from dankmemes
I am speed from memes
I am speed from memes
They am speed from dankmemes
I am speed from dankmemes