Posted by **Kelsey** on Thursday, March 6, 2008 at 10:40pm.

A particle is moving at some constant speed. Use the following information to answer the following questions.

s(t)=100/t©÷+12; t¡Ã0; see represents feet and t represents seconds

a)Find the velocity and acceleration equations for this particle.

b)When is this particle at rest?

c) On what interval(s) is this particle speeding up?

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