Two blocks are connected by a massless rope as shown below. The mass of the block on the table is $4\mathrm{.}1$ kg and the hanging mass is $1\mathrm{.}7$ kg$.$ The table and the pulley are frictionless.

$($a$)$

Find the acceleration $($in m$/$s$^2)$ of the system. $($Enter the magnitude.$)$

m$/$s$^2$

$($b$)$

Find the tension $($in N$)$ in the rope.

N

$($c$)$

Find the speed $($in m$/$s$)$ with which the hanging mass hits the floor if it starts from rest and is initially located $1\mathrm{.}8$ m from the floor.

m$/$s