1. A quickening of pace or velocity that occurs toward the conclusion of an activity, race, or performance
The runner made an increased speed at the end to cross the finish line first.
O corredor fez uma aceleração final para cruzar a linha de chegada em primeiro lugar.
2. In music, a gradual increase in tempo near the end of a piece
The composer added an increased speed at the end for dramatic effect.
O compositor adicionou uma aceleração final para efeito dramático.