In Figure 1, it takes 1/6 of a second for the puck to go from point 1 to point 2, and 1/6 of a second to go from point 2 to point 3, etc. What is the x-component of the velocity of the puck at red point 1? Use the blue coordinate system. y (cm)A45353025201510500515111210 15 2030x (cm)253545 50 55Figure 1. The red points from 1 to 15 show the successivelocations of a puck at times t=0 s, 1/6 s, 2/6 s, 3/6 s, 4/6s, etc. Connecting these points with the blue curve showsthe puck's trajectory. The blue coordinate system is tiltedand displaced with respect to the black coordinate system.

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