# A particle moves along the sides 𝐴𝐵, 𝐵𝐶, 𝐶𝐷 of a square of side 25 𝑚 with a velocity of 15 𝑚𝑠−1 . Its average velocity is

Question : A particle moves along the sides 𝐴𝐵, 𝐵𝐶, 𝐶𝐷 of a square of side 25 𝑚 with a velocity of 15 𝑚𝑠−1 . Its average velocity is

(A) $10ms^{-1}$

(B) $15ms^{-1}$

(C) $7.5ms^{-1}$

(D) $5ms^{-1}$