The Italian musical term for a cheerful or fast tempo is "Allegro."
'Molto allegro' is one possible answer. There are others.
moderato e grazioso
The Italian term for gradual increase in tempo is "accelerando."
The term for music that is characterized by a fast tempo is "allegro."
Accelerando
"Allegro" in Italian means "fast" or "lively." When it appears at the top of a piece of music, it indicates that the piece should be played at a quick tempo.
Tempo medio is an Italian equivalent of the English phrase "medium tempo." The masculine singular phrase also translates as "average time (duration, interval, timing, weather)" according to English contexts. The pronunciation will be "TEM-po MEH-dryo" in Italian.
The answer is the "tempo" as in, this tempo is really fast!
Tempo
Tempo.
Tempo.