How fast does the Earth go at perihelion and aphelion?

Question

How fast does the Earth go at perihelion and aphelion?

Answer 1

The average orbital speed is 29.783 km/s or 107,218.8 km/h!

Answer 2

I can do some research on this and come up with some figures for you, I don't have all the information, or the equation  (you might have better luck in a physics forum, just a suggestion) but if the earth is 149,600,000km average distance from the sun, with an eccentricity of  0.0167...  that puts it's perihelion distance a little over 147,000,000 km, and aphelion at 152,000,000 km.  

If you know the mass of the earth and the mass of the sun, and know the equation, you can figure out this answer.

But, like I said, I'll try to do some more searching for you.

<EDIT>

I did not do the math myself, but I found a site that gives an answer, and "Quasar's" answer for the average does fall near the middle of these numbers.  So it seems accurate. (see source):

perihelion 30300 m/s

aphelion it's 29300 m/s

Answer 3

  Gee,I don't want to take a shot at that one,sorry.