Reduction: the word AT -- American English Pronunciation

The video tutorial explains how the word 'at' is pronounced differently in sentences compared to when it stands alone. It covers the concept of reductions in American English, focusing on the transformation of 'at' to a schwa sound and the use of stop t or flap t depending on the following sound. The tutorial provides examples in both sentence fragments and full sentences, highlighting the rhythmic contrast in speech. It concludes with encouragement to integrate these reductions into everyday speech and offers additional resources for further learning.

In the sentence 'I'll be at school', why is the 't' in 'at' pronounced as a stop t?

How can integrating the reduced form of 'at' into speech improve fluency and rhythm in sentences?