Undergraduate / That day was shocking to many people, everything happened so slowly [2]

Hi , i need some help for my class of College Composition , i have some issues writing in English because its not my native language and i would like some help to make a good job. This is a Descriptive essay my best friend , who died in the middle of a school year by a heart attack and i tried to describe our relationship. I'm Still working on it.

That day was shocking to many people, everything happened slowly, it looked like a history lesson where students analyze the classroom as if it were a mathematical problem, and the students looked at least ten times per minute the clock to find the needle in the same place. The tension was enormous, the day felt so heavy that I would not be exaggerating if I said that gravity had increased. The fact that she wasn't there anymore, and probably wasn't going to see her again broke my heart into pieces. And all she left behind were memories.

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