The graphs shows the position versus time for a particle that moves along the z axis.A) estimate the instantaneous velocity of the particle when t=40 seconds.B) find the average velocity of the particle between t=20 seconds and t=80 seconds

that moves X ticle when 30 20 = 20 sec- 10 1. - x position in meters 0 -10 -.. 20 40 60 80 -20 -30 Time in seconds