20m/4s = 5m/s = 300m/min = 18000m/h = 18km/h
one twenty fourth of a mile
1.5x10^_4secs=10/2=5g 3x10^_4 secs= 5/2=2.5g 4.5x10^-4secs=2.5/2=1.25g so your answer would be 4.5x10^_4secs.
U1300 is a communication error between computers If either the SDM (air bag computer) or the Pcm (engine computer) or Abs if equipped loses Voltage for a period of time (4secs) the code will set. The air bag light or the service light will be on if the code is current