[单选题]
A ball is projected with an initial speed of $2m\:s^{-1}$making an angle of $35^{\circ}$ with the horizontal as shown.
Which expression gives the vertical component of the velocity vector?
A. 2$ms^{-1}$
B. 2$\cos(35^{\circ})m\:s^{-1}$
C. 2$\sin(35^{\circ})m\:s^{-1}$
D. 2$\tan(35^{\circ})m\:s^{-1}$
