9. (no calculator) Winnie is running the 3200 meter race at the German
Olympics Trials. He is confused as
to which direction to run and accidentally runs the whole race backwards. His velocity is modeled by the function
v(t)=-t2 where distance is measured in meters and time in
minutes. What is his speed 10
minutes into the race?
a) 100 m/min
b) -100 m/min
c) 20 m/min
d) -20 m/min
a) 100 m/min
b) -100 m/min
c) 20 m/min
d) -20 m/min
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