At a Slower Pace Meaning?

Proceeding at a rate less than usual or desired: dilatory, laggard, slow, slow-footed, slow-going, tardy.

What is the purpose of slow pacing?

Pacing refers to the momentum of a story.

And there are times when we want to slow down the story, to let the reader sink into the pages like a warm bath. The paragraphs highlighted in AutoCrit indicate the slow paced paragraphs in your story.

Does Pace mean fast?

Pace is how fast something travels a particular distance, like a runner who tries to achieve a consistent pace, running each mile in more or less the same amount of time.