(Solved): Find the instantaneous velocity of the particle described in the figure below at the following time ...

Find the instantaneous velocity of the particle described in the figure below at the following times. D (a) \( t=0.9 \mathrm{~s} \) \[ \mathrm{m} / \mathrm{s} \] (b) \( t=2.8 \mathrm{~s} \) \[ \mathrm{m} / \mathrm{s} \] (c) \( t=4.1 \mathrm{~s} \) \[ \mathrm{m} / \mathrm{s} \] (d) \( t=7.7 \mathrm{~s} \)