Create a function with a vertical asymptote x = 2, a horizontal asymptote y =0, no x-intercepts, and y-intercept = -2.

The average speed of a certain particle in meters per second is given by the equation s(t)=(2t^2+8t+5)/(t+3)

Find the average rate of change as time changes from 0 seconds to 3 seconds.
Explain the meaning of this rate of change.