Aerosol-generating article with low resistance to draw

An aerosol-generating article for producing an inhalable aerosol upon heating, the aerosol-generating article extending from a downstream end to an upstream end and comprising:

• an aerosol-generating section comprising a rod of aerosol-generating substrate;
• a mouthpiece section comprising a mouthpiece filter segment formed of a fibrous filtration material, the mouthpiece section having a length L1 extending between an upstream end of the mouthpiece filter segment and the downstream end of the aerosol-generating article;
• and
• an intermediate hollow section having a length L2 extending between the aerosol-generating section and the mouthpiece section, the intermediate hollow section defining a longitudinal cavity providing an unrestricted flow channel from the aerosol-generating section to the mouthpiece section, the intermediate hollow section comprising:
• an aerosol-cooling segment downstream of the aerosol-generating section, and
• a support segment between the aerosol-cooling segment and the aerosol-generating section,
• wherein the length L1 is at least 0.10 times and less than 0.40 times the length L2,
• wherein the aerosol-generating substrate is a solid aerosol-generating substrate comprising nicotine, one or more cellulose based agents, one or more aerosol formers, and one or more carboxylic acids, and
• wherein the solid aerosol-generating substrate has a total cellulose based agent content of at least 35 percent by weight, a total aerosol former content of greater than or equal to 45 percent by weight, and a total carboxylic acid content of at least 0.5 percent by weight.