NB. Acceleration at a distance why (m) from mass x (kg)
acc =: 4 : 0
G =. 6.673e_11
A =. (G * x) % (y ^ 2)
A;'m/s^2'
)

10 acc 6437376
+-----------+-----+
|1.61029e_23|m/s^2|
+-----------+-----+

30 acc 6437376
+-----------+-----+
|4.83086e_23|m/s^2|
+-----------+-----+

If this is in answer to a post from kelvin79, he isn't going to see it this way. The only way he would get an answer is you answering in his original post. They same way I have answered you.

Tick