Well, of course the question of an 'absolute original tempo' is always pointless.

The piece shortly returns to its original tempo and style, and the first melody is further elaborated.

The work ends in the original tempo.

This variation breaks away from the original tempo and is marked allegro vivace.

The low brass enters with a fanfare soon after the shift to bring the piece back to its original tempo and feeling.

On occasion, the material of introduction reappears in its original tempo later in the movement.

The song then slows to the original tempo, and repeats the same pattern before ending.

The original tempo is larghetto (a little slow and solemn).

Near the song's conclusion, it returns to the original tempos and riffs.

Inadvertently, I started to improvised in half-time, then desperately tried to get back into the original tempo.