JEE Main Physics question

A particle moves along the -axis in such a way that its coordinate varies with time according to the equation m. The initial velocity of the particle is [MNR 1987, MP PET 1996, Pb. PET 2004, Similar WB-JEE 2008]

• (A) m/sCorrect
• (B)6 m/s
• (C) m/s
• (D)3 m/s