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## Homework Statement

I have attached the problem as a picture on this post, am really really unsure on how to start!

so far the only thing i can think of doing is using this equation

[tex] (\frac{d^{2}r}{dt^{2}})_{s} [/tex] = [tex]( \frac{d^{2}r}{dt^{2}})_{s'} + 2ω \times (\frac{dr}{dt})_{s'} + \dot{ω} \times r + ω \times [ω \times r] [/tex]

And now just solve for r, but in the s reference frame ?

any help appreciated really stuck.