Margaret Elmer-Dixon and student Morgan Hanson calculate the pull force of Hanson's sled, named Sno-Storm, before taking it for a run down the ski hill Wednesday, March 3, at Chester Bowl. (Tyler Schank / tschank@duluthnews.com)
Margaret Elmer-Dixon and student Morgan Hanson calculate the pull force of Hanson's sled, named Sno-Storm, before taking it for a run down the ski hill Wednesday, March 3, at Chester Bowl. (Tyler Schank / tschank@duluthnews.com)

Donovan Miles reacts as he sleds down the ski hill at Chester Bowl on Wednesday, March 3, during his Introduction to Calc-Based Physics class. Students were able to experiment by adding weight — another person — to their sleds, starting from a higher spot on the hill, and getting a running start to see which affected their sled runs. (Tyler Schank / tschank@duluthnews.com)
Donovan Miles reacts as he sleds down the ski hill at Chester Bowl on Wednesday, March 3, during his Introduction to Calc-Based Physics class. Students were able to experiment by adding weight — another person — to their sleds, starting from a higher spot on the hill, and getting a running start to see which affected their sled runs. (Tyler Schank / tschank@duluthnews.com)

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