Key Equations

Displacement Δd=dfd0Δd=dfd0
Average speed vavg=distancetimevavg=distancetime
Average velocity vavg=ΔdΔt=dfd0tft0vavg=ΔdΔt=dfd0tft0
Displacement d=d0+vtd=d0+vt.
Velocity v=v0+atv=v0+at
Acceleration a=ΔvΔta=ΔvΔt