Graphs or the Velocity Functions of 2 where t is measurèd in seconds particles are shorin, a) o winen is the up? (Use Interval Nelahon) particle speedmg 1. (2 When is the orticle skuing down? (use ) Interval Netation OWhen is the ng 6)6 particle speedi up? (Use Intensal Netation) (2When is the paicle sloning down? (Use Interual Netation

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