The term 'very slow pace' can be summarized by the crossword solution 'CRAWL, ' which is a five-letter word. Crawling is a form of locomotion in which an organism moves slowly on hands and knees or by dragging its body along the ground. It is typically used by infants and young children, as well as some animals such as lizards, snakes, and snails. Crawling is also used by some adults in certain situations, such as when they are injured or need to move in a confined space.