1. to gradually increase in speed, intensity, or impact as something approaches its conclusion
The film gains momentum towards the end with unexpected plot twists.
O filme ganha impulso no final com reviravoltas inesperadas.
2. to accelerate progress or effectiveness in the latter stages of a process or event
The project gained momentum towards the end as the team worked more efficiently.
O projeto ganhou impulso no final conforme a equipe trabalhou com maior eficiência.