Two masses `m_1 = 1 kg and m_2 = 2 kg` are connected by a light inextensible string and suspended by means of a weightless pulley as shown in figure.
Assuming that both the masses start from rest, the distance travelled by `2 kg,` mass in `2s` is
Options:
(a) `20/9m`
(b) `40/9 m`
(c) `20/3 m`
(d) `1/3m`