For feedback control of dynamic systems 7th edition chapter

For feedback control of dynamic systems 7th edition chapter 4 problem 10, there was a solution yesterday. It appears to have been removed. Will it be reposted soon?

Edit: Nevermind, it is back up.

Please don\'t worry. It must have been removed by the expert in order to correct any mistakes in the solution. He/She will repost or edit the solution soon and you will have a better answer for your question