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v = e (4pie0mr)^(-1/2)

ar = (v^2)/r

r ~ 10^-10 m

v = 2.24 x 10^6

The book makes note that we can allow a nonrelativistic treatment since the velocity ~ .007c.

And for the lithium ion I simply multiplied this by the square root of three since the charge would be +3e from the three-proton lithium atom.

However, calculating the radial acceleration yields phenomenally high accelerations: 1.012 x 10^23. Now, I know I'm doing something wrongly here.