Poetry uses forms and conventions to suggest differential interpretation to words, or to evoke emotive responses. Devices such as assonance, alliteration, onomatopoeia and rhythm are sometimes used to achieve musical or incantatory effects.
The average speed of an object tells you the (average) rate at which it covers distance. If a car's average speed is 65 miles per hour, this means that the car's position will change (on the average) by 65 miles each hour.
Confidence votes 132. The average speed is the distance traveled divided by the time spent traveling. A car that travels 180 miles in 4 hours did so with an average speed of 180/4 = 45 miles per hour. A bee that flew 5 meters in 4 seconds did so with an average speed of 5/4 = 1.25 meters per second.