The displacement (in feet) of a certain particle moving in a straight line is given by y = $7: (A) Find the average velocity for the time period beginning when t = 1 and. lasting (1) .01 3: (ii) .005 s: (iii).002 3: (iv) .001 5: 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 t = 1