An unaccompanied solo section performed between the recapitulation and the coda in the first movement of a concerto is called a(n)?

The answer is- Cadenza

Explanation:

A Cadenza is an unaccompanied virtuoso solo passage that is inserted into a movement in a concerto or other musical work, typically near the end. It usually appears near the end of the first movement and sometimes in the last movement. It is typically contained within the last phrase of a classical work (as well as jazz and popular music) performed by a soloist

answer; i believe that the correct answer is rapid and subsequently slow down;

answer; negative punishment;