Suppose a particle$$s position is given by f$($t$)=$t$4,$ where t is measured in seconds and f$($t$)$ is given in centimeters. What is the velocity of the particle when t$=3?$

Select one:

a$.$

v$=81$cm$/$sec

b$.$

v$=108$cm$/$sec

c$.$

v$=324$cm$/$sec

d$.$

v$=1728$cm$/$sec