A sea lion dove from the water's surface at sea level to an altitude of −216.12 meters in 2.4 minutes. What is the average change in the sea lion's altitude per minute? Enter the your answer in the box as a decimal.
2.4 minutes is 144 seconds. divide -216.12 by it to get altitude per second. This is 1.5 meters per second. Multiply this by 60 to get the rate per minute, totaling 90.05 meters per minute. Sorry if this explanation was long that was how I remember.
