A SKATER IS ROLLERBLADING DOWN A SIDEWALK AT A VELOCITY OF 2.7 M/S. AS SHE APPROACHES AN INTERSECTION, SHE SLOWS TO A STOP OVER A 5.8 SECOND PERIOD. WHAT IS HER AVERAGE ACCELERATION?

Vf = Vo + at = 0,

2.7 + a*5.8 = 0,
5.8a = -2.7,
a = -0.466 m/s^2.