Q. When an object is dropped, the number of feet N that it falls is given by the formula N=1/2gt2 where t is the time in seconds from the time it was dropped and g is 32.2. If it takes 5 seconds for the object to reach the ground, how many feet does it fall during the last 2 seconds?

1. 257.6
2. 64.4
3. 96.6
4. 161.0