diff --git a/cura/LayerPolygon.py b/cura/LayerPolygon.py
index 4eb21dd45f..e5fd307dc9 100644
--- a/cura/LayerPolygon.py
+++ b/cura/LayerPolygon.py
@@ -189,8 +189,8 @@ class LayerPolygon:
 
     @property
     def lineLengths(self):
-        return [math.sqrt(sum((b - a) ** 2 for a, b in zip(self._data[i], self._data[i + 1])))
-                for i in range(len(self._data) - 1)]
+        data_array = numpy.array(self._data)
+        return numpy.linalg.norm(data_array[1:] - data_array[:-1], axis=1)
 
     @property
     def data(self):
diff --git a/plugins/SimulationView/SimulationView.py b/plugins/SimulationView/SimulationView.py
index 2f09c8018b..18d1f981c7 100644
--- a/plugins/SimulationView/SimulationView.py
+++ b/plugins/SimulationView/SimulationView.py
@@ -403,7 +403,7 @@ class SimulationView(CuraView):
         return self._max_feedrate
 
     def getSimulationTime(self) -> list:
-        return [length / feedrate for length, feedrate in zip(self._visible_lengths[self._current_layer_num], self._current_feedrates[self._current_layer_num])]
+        return self._visible_lengths[self._current_layer_num] / self._current_feedrates[self._current_layer_num]
 
     def getMinThickness(self) -> float:
         if abs(self._min_thickness - sys.float_info.max) < 10: # Some lenience due to floating point rounding.
diff --git a/plugins/SimulationView/SimulationViewMainComponent.qml b/plugins/SimulationView/SimulationViewMainComponent.qml
index b2ef7b8356..66acff656a 100644
--- a/plugins/SimulationView/SimulationViewMainComponent.qml
+++ b/plugins/SimulationView/SimulationViewMainComponent.qml
@@ -136,7 +136,7 @@ Item
     Timer
     {
         id: simulationTimer
-        interval: parseFloat(UM.SimulationView.getSimulationTime[pathNumber]).toFixed(2) //10  //dont change
+        interval: parseFloat(UM.SimulationView.getSimulationTime[pathNumber]).toFixed(2)
         running: false
         repeat: true
         property int pathNumber : 0