How long does it take a car to slow down from a speed of $54$ km$/$h to $32$ km$/$h over a distance of $65$ m$?$ Answer is in seconds.

Question $8$ options:

a$)$

$2\mathrm{.}7$

b$)$

$5\mathrm{.}9$

c$)$

$1\mathrm{.}5$

d$)$

$5\mathrm{.}4$