you have a different issue.
on top of the grinding 2nd gear, you have a "pop out".
both issues are very well known and discussed.
worst case scenario, you are looking at a 2nd gear synchro that need to be replaced.
if you are lucky, you might get by, by adding a second gear detent.
here is some reading material for the next year or two about your issue.
https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=2nd%20gear%20detent