To create a slow pace you use a lot of details and longer sentences. The effect would lead to getting into more detail about a subject or topic causing more information to be read each sentence.
When writing a text book, it would be necessary to create a step-by-step situation in reference to an instruction manual or handbook. You may need to include cross references as well as a bibliographical index. This type of writing would require a slow pace in order to ensure accuracy and thoroughness of the topic at hand.
