14.40: A small 1.35-gram mass
q s3-f4o *savtx3 ,z:.ftlbz9) xcojmis launched from the top of a cliff at an angle of
3,o4bsj.)m *s:x-cqoz9 zt3fl xa vf t$15.9^{\circ}$ above the horizontal. When the mass reaches the ground 4.33 seconds later, its velocity is directed at $34.4^{\circ}$ below the horizontal. What is the speed of the mass when it reaches the ground? (ignore air resistance)