What does the cryptic crossword clue "Significant empowerment, but somewhat reduced speed (5)" mean?

The definition is "speed". The wordplay uses a hidden word. Hidden in "significanT EMPOwerment, but somewhat reduced speed" The answer is TEMPO.

Significant empowerment, but somewhat reduced speed (5)

Times Cryptic #28749 | 12 Across | 2023-11-01 flower