The displacement (in feet) of a certain particle moving in a straight line is given by y=\frac{t^{3}}{3} .

(A) Find the average velocity for the time period beginning
when

(i) .01 s:

(ii) .005 s:

(iii).002 s:

(iv) .001 s:

NOTE: For the above answers, you may have to enter 6 or 7 significant digits
if you are using a calculator.

(B) Estimate the instantaneous velocity when

Answer:

You can earn partial credit on this problem.