distance, displacement...

• what is the typical person walking speed?

  1.5 m/s
• what is the typical persons walking speed?

  3 m/s
• what is a typical persons cycling speed?

  6 m/s
• what its a cars typical sped?

  25 m/s
• what is a trains typical speed?

  30 m/s
• what is a planes typical speed?

  250 m/s