Answer:
i think the answer is gravity
The average speed of the football is 15 meters per second. Just divide both of the numbers by 4 :)
Infrared radiation<span> lies between the </span>visible<span> and microwave portions of the electromagnetic spectrum. Infrared waves have wavelengths longer </span>than visible<span> and shorter </span>than<span> microwaves, and have </span>frequencies<span> which are lower </span>than visible<span> and </span>higher than<span> microwaves.</span>
882 divided by 9.81 (this is acceleration due to gravity) it equals 89.91