Feel like my account can’t rank up

sorry if this has been asked a bunch but I just started playing ranked after about 3 seasons of not touching the game. I win my 5 pvp matches and then hop into ranked with my friend and we win our first game I go up 81 elo compared to my friend who goes up 106 elo which keep in mind this is both of our first games. 10 wins later currently 10-1 with a 1.7kd I am going up about 45-55 elo compared to my friend who is still going up 90-100 elo just a little lost on why it feels like i’m being punished for simply just starting to play the game has anyone experienced this?