derivate of x y points

hello everyone.

i have two rows: x and y points, generated by experimental tests.

this data means x,y positions. i would like to obtain velocity and so i need to derivate these points.

is this somehow possible?

thank you so much. any help would be appreciated.

Answer 1

[Azzi Abdelmalek]

 Diff(y)./diff(x)

[Azzi Abdelmalek]

Diff(z)./diff(x)
Diff(z)./diff(y)