Planet Escape Velocity Km/s Average Orbital Velocity  Km/s Distance from sun in AUs Year Length in Earth days
Mercury 4.25 47.89 0.387 87.969
Venus 10.36 35.03 0.723 224.701
Earth 11.18 29.79 1 365.256
Mars 5.02 24.13 1.523 686.98
Jupiter 59.54 13.06 5.2 4,332.59
Saturn 35.49 9.64 9.538 10,759.22
Uranus 21.29 6.81 19.19 30,685.40
Neptune 23.71 5.43 30.06 60,189
Pluto 1.27 4.74 39.529 90,465

From  http://www.solarsystem.org.uk/datatext.html#Earth

 

What is the relationship between surface gravity and excape velocity?

 

 

Equate the kinetic energy to the surface gravitational potential to get

 

2      G M m
1/2 m V = ---------
       R

the escape velocity is then

2 2 G M
V = -------
  R

where in gram-cm units G = 6.6 x 10^-8,

R is the radius of the planet in centimeters,

M is the mass of the planet in grams, and

V is the escape velocity in cm/sec.

 

 

from Ask an Astronomer       http://image.gsfc.nasa.gov/poetry/ask/a11012.html